1. Health is a sustainable state;King;Lancet,1990
2. I. Scoones, B. Zaba, Is carrying capacity a useful concept applied to human populations? In: B. Zala (Eds), Environment and population change, Ordina, Liege ((in press)).
3. Social indifference to child health;Scheper-Hughes;Lancet,1991
4. Children's deaths and population growth;Lithell;Lancet,1992
5. United Nations Development Programme. Human development report. Table 13,1992